/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string')) {
      if ((/^[0-9]+$/.test(time))) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }

    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value ] }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach(v => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}
export function getUUID () {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
    return (c === 'x' ? (Math.random() * 16 | 0) : ('r&0x3' | '0x8')).toString(16)
  })
}

/**
 * 是否有权限
 * @param {*} key
 */
export function isAuth (key) {
  return JSON.parse(sessionStorage.getItem('permissions') || '[]').indexOf(key) !== -1 || false
}

/**
 * 树形数据转换
 * @param {*} data 树形结构
 * @param {*} parentId 父id
 * @param {*} parentName 父菜单名称
 * @param {*} level 菜单层级
 */
//  递归
export function treeDataToList (data=[], parentId =0, parentName='',level=0, id = 'menuId', pid = 'parentId') {

  var res = []
  var temp = {}
  for(let i =0; i<data.length; i++){
    if(data[i].list.length==0){
      data[i]['_level'] = level
      data[i]['parentName'] = parentName
      data[i][pid] = parentId
      res.push(data[i])
    }else{
      data[i]['_level'] = level
      data[i]['parentName'] = parentName
      data[i][pid] = parentId
      res.push(data[i])
      res = res.concat(treeDataToList(data[i].list,data[i][id],data[i]['name'],level+1))

      data[i]['list']=[]

    }
  }
  return res
}





/**
 * 树形数据方法三
 * @param {*} data 树形结构
 * @param {*} parentId 父id
 * @param {*} parentName 父菜单名称
 * @param {*} level 菜单层级
 * 设置树形节点 级别 父节点名称 和父节点id
 */
//  递归
export function treeDataSetParent (data=[],id = 'menuId', name='name',parentId =0, parentName='/',level=0, pid = 'parentId') {

  var res = []
  var temp = {}
  for(let i =0; i<data.length; i++){

    data[i]['_level'] = level
    data[i]['parentName'] = parentName
    data[i][pid] = parentId

    if(data[i]['list'].length!=0){
      treeDataSetParent(data[i]['list'], id,name, data[i][id], data[i][name], level+=1 ,pid )
    }
  }
  return data
}
/**
 * 清除登录信息
 */
// export function clearLoginInfo () {
//   Vue.cookie.delete('token')
//   store.commit('resetStore')
//   router.options.isAddDynamicMenuRoutes = false
// }
export function clone(data){
  return JSON.parse(JSON.stringify(data))
}

export function getSemester(){
  let date = new Date();
  let year = date.getFullYear()
  let month = date.getMonth()
  if(month>7 ){
    return `${year}-${year+1}学年第一学期`
  }else if(month<2){
    return `${year-1}-${year}学年第一学期`
  }else{
    return `${year-1}-${year}学年第二学期`
  }
}
